Готові списки джерел за темами / Double Perovskite Ceramic

Добірка наукової літератури з теми "Double Perovskite Ceramic"

Автор: Grafiati
Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Double Perovskite Ceramic"

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Albutt, Naphat, Suejit Pechprasarn, Sangwoei Sawekwiharee, Anchana Kuttiyawong, Panakamon Thonglor, and Thanapong Sareein. "Complete Phase Change of Y2NiMnO6 Ceramics Doped with TiO2 at High Temperature." Applied Mechanics and Materials 879 (March 2018): 47–50. http://dx.doi.org/10.4028/www.scientific.net/amm.879.47.

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Анотація:
Determining the structure of ceramic materials is essential in order to fully characterize the electrical properties and improve existing materials. YMNO ceramics (Y2NiMnO6) prepared by compression and sintering were doped with TiO2 and analyzed using XRD and SEM. The calcined sample prior to sintering contained phases of the YMNO double perovskite and TiO2. Following sintering at 1400°C, the perovskite structure was replaced by Y2Ti2O7 fcc structure, and the grain size was found to increase with sintering time up to 18 hours. This sets a limit to the amount of TiO2 which can be used to successfully dope the YMNO ceramic.
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2

Miniajluk-Gaweł, Natalia, Robert Tomala, Bartosz Bondzior, and Przemysław Jacek Dereń. "Influence of Sintering Parameters on Spectroscopic Properties of BMW: Eu3+ Ceramic Materials Prepared by HPLT Technique." Materials 15, no. 21 (October 22, 2022): 7410. http://dx.doi.org/10.3390/ma15217410.

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In this work, Ba2MgWO6: Eu3+ (BMW: Eu3+) ceramic materials with a double perovskite structure were sintered using the High-Pressure Low-Temperature sintering (HPLT) technique. As part of the research, the influence of pressure (CP), sintering temperature (CT), and sintering time (CTS) on the structure and luminescence of the doped BMW were determined. Structural analysis via XRD and SEM + EDS and spectroscopic analysis via emission and excitation spectra, decay time, and absorption spectra of the obtained ceramics were performed. Dense double perovskite ceramics were obtained with a cubic structure with optimal sintering parameters: T = 500 °C, p = 8 GPa, and t = 1 min. The increase in temperature caused an increased extinction of the luminescence due to the diffusion of carbon into the ceramics. The increase in pressure led to the formation of the amorphous phase, which increased the speed of non-radiative transitions and also led to the extinction of the luminescence. The increase in sintering time from 1 to 3 min enhanced the luminescence output, but when the ceramic was sintered for 5 min, the luminescence was quenched, most likely by increasing the rate of the non-radiative process, as evidenced by reduced decay time.
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3

Zhou, Chuan, Jaka Sunarso, Yufei Song, Jie Dai, Junxing Zhang, Binbin Gu, Wei Zhou, and Zongping Shao. "New reduced-temperature ceramic fuel cells with dual-ion conducting electrolyte and triple-conducting double perovskite cathode." Journal of Materials Chemistry A 7, no. 21 (2019): 13265–74. http://dx.doi.org/10.1039/c9ta03501j.

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4

Park, Cheol Woo, and Hyo Jin Seo. "Self-activated luminescence characteristics of double perovskite ceramic Sr2ZrCeO6." Ceramics International 40, no. 1 (January 2014): 2495–99. http://dx.doi.org/10.1016/j.ceramint.2013.07.061.

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5

Hu, Dingyue, Junyoung Kim, Hongjun Niu, Luke M. Daniels, Troy D. Manning, Ruiyong Chen, Bowen Liu, Richard Feetham, John B. Claridge, and Matthew J. Rosseinsky. "High-performance protonic ceramic fuel cell cathode using protophilic mixed ion and electron conducting material." Journal of Materials Chemistry A 10, no. 5 (2022): 2559–66. http://dx.doi.org/10.1039/d1ta07113k.

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Анотація:
High-performance and stability for protonic ceramic fuel cell cathode applications are realised in a self-assembled nanocomposite material Ba0.5Sr0.5(Co0.7Fe0.3)0.6875W0.3125O3−δ (BSCFW) through interplay of single and double perovskite phases.
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6

Iranmanesh, M., M. Lingg, M. Stir, and J. Hulliger. "Sol gel and ceramic synthesis of Sr2FeMo1−xWxO6 (0 ≤ x ≤ 1) double perovskites series." RSC Advances 6, no. 48 (2016): 42069–75. http://dx.doi.org/10.1039/c6ra03923e.

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7

Parida, R. K., D. K. Pattanayak, Bhagyashree Mohanty, Nimai C. Nayak, and B. N. Parida. "Structural and optical properties of a revived Pb0.5Ba1.5BiVO6 perovskite oxide." Journal of Advanced Dielectrics 09, no. 01 (February 2019): 1950004. http://dx.doi.org/10.1142/s2010135x19500048.

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Анотація:
The polycrystalline ceramic Pb[Formula: see text]Ba[Formula: see text]BiVO6 manifesting the complex double perovskite structure was tailored by the conventional solid state route at a moderate temperature. Qualitative phase analysis and formation of the ceramic were affirmed by XRD analysis. The X-ray powder diffraction pattern of the compound explored at room temperature affirms the single phase formation with double perovskite structure exhibiting rhombohedral phase. Microstructural analysis of the studied compound procured from the Scanning Electron Microscope (SEM) validates the formation of dense microstructures and nonuniformly distributed grains with minimal voids. Compositional analysis was shaped through the Electron Diffraction Spectroscopy (EDS) confirming the absence of contamination of any other metals apart from the mentioned ones. Dielectric (Cr and [Formula: see text]) parameters of the compound were studied using the LCR analyzer at different temperatures and wide range of frequencies. The polarization and dielectric study affirms the presence of ferroelectricity in the material with transition temperature much above the room temperature. The tangent dielectric loss of this sample being almost minimal at room temperature attributes it to find applications in different grounds of electronics. Optical equities of the ceramic were further analyzed by the RAMAN, FTIR, UV–Vis and Photoluminescence spectroscopy.
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8

Ivanov, Ivan L., Petr O. Zakiryanov, Vladimir V. Sereda, Maxim O. Mazurin, Dmitry A. Malyshkin, Andrey Yu Zuev та Dmitry S. Tsvetkov. "Nonstoichiometry, Defect Chemistry and Oxygen Transport in Fe-Doped Layered Double Perovskite Cobaltite PrBaCo2−xFexO6−δ (x = 0–0.6) Membrane Materials". Membranes 12, № 12 (28 листопада 2022): 1200. http://dx.doi.org/10.3390/membranes12121200.

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Анотація:
Mixed conducting cobaltites PrBaCo2−xFexO6−δ (x = 0–0.6) with a double perovskite structure are promising materials for ceramic semi-permeable membranes for oxygen separation and purification due to their fast oxygen exchange and diffusion capability. Here, we report the results of the detailed study of an interplay between the defect chemistry, oxygen nonstoichiometry and oxygen transport in these materials as a function of iron doping. We show that doping leads to a systematic variation of both the thermodynamics of defect formation reactions and oxygen transport properties. Thus, iron doping can be used to optimize the performance of mixed conducting oxygen-permeable double perovskite membrane materials.
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9

Ding, Hanping, Neal P. Sullivan та Sandrine Ricote. "Double perovskite Ba2FeMoO6−δ as fuel electrode for protonic-ceramic membranes". Solid State Ionics 306 (серпень 2017): 97–103. http://dx.doi.org/10.1016/j.ssi.2017.04.007.

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10

Mahato, Dev K., Sujoy Saha, and T. P. Sinha. "Impedance, scaling behavior and conduction mechanism in double perovskite Pr2CuZrO6 ceramic." Journal of Materials Science: Materials in Electronics 27, no. 4 (January 20, 2016): 3845–53. http://dx.doi.org/10.1007/s10854-015-4232-4.

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Дисертації з теми "Double Perovskite Ceramic"

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Khopkar, Vijay B. "Investigation into the Synthesis, Structure and Dielectric Property of Lead-Free Double Perovskite Structured Materials." Thesis, 2021. https://etd.iisc.ac.in/handle/2005/5048.

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Анотація:
Lead based materials have shown to be important materials showing high piezoelectricity, colossal dielectric constant, ferroelectricity along with their good mechanical behaviour and resistance to corrosion. As a result, they have wide range of applications such as sensors, actuators, detectors, batteries, lead-painting pigments etc. However, due to high toxicity of lead and its nature to accumulate in the environment with gradually increasing concentrations, increasingly more health hazards are encountered. In this regard, replacing these lead based materials by lead free material with similar/higher level of dielectric properties is the driving force for research on lead free dielectric materials. In this work, we have studied few double perovskites structured dielectric materials and their solid solutions. The present work attempts to understand synthesis, structure and dielectric property of lead free double perovskite structure BaFe0.5Nb0.5O3, BaFe0.5Ta0.5O3 and solid solution of (x) BaFe0.5Nb0.5O3–(1-x)KNbO3 (x= 0, 0.2, 0.4, 0.6, 0.8 and 1). This thesis work organized in seven chapters as given below. First two chapters describe the motivation behind the work and experimental technique used for synthesis and characterizes materials, chapter 3, 4, 5 and 6 described investigated material and chapter 7 summarizes the thesis. Details of chapters as follows,
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2

Preethi, Meher K. R. S. "Structural And Ferroic Characteristics Of Sr2TiMnO6, Sr1-xMnxTiO3 (0.03<=X<=0.09) And Bi4Ti3O12-BiFeO3." Thesis, 2012. https://etd.iisc.ac.in/handle/2005/2299.

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3

Preethi, Meher K. R. S. "Structural And Ferroic Characteristics Of Sr2TiMnO6, Sr1-xMnxTiO3 (0.03<=X<=0.09) And Bi4Ti3O12-BiFeO3." Thesis, 2012. http://hdl.handle.net/2005/2299.

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Частини книг з теми "Double Perovskite Ceramic"

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Matli, Penchal Reddy, Adel Mohamed Amer Mohamed, and Ramakrishna Reddy Rajuru. "Microwave Fast Sintering of Double Perovskite Ceramic Materials." In Advanced Ceramic Processing. InTech, 2015. http://dx.doi.org/10.5772/61026.

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2

Palakkal, Jasnamol P., and Lambert Alff. "Functional double perovskites from bulk to thin film heterostructures: The example of La2NiMnO6." In Perovskite Ceramics, 383–400. Elsevier, 2023. http://dx.doi.org/10.1016/b978-0-323-90586-2.00002-4.

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Тези доповідей конференцій з теми "Double Perovskite Ceramic"

1

Mohapatra, S. R., B. Sahu, S. D. Kaushik, and A. K. Singh. "Studying dielectric mechanism and magnetization of double perovskite Gd2NiMnO6 ceramic." In DAE SOLID STATE PHYSICS SYMPOSIUM 2015. Author(s), 2016. http://dx.doi.org/10.1063/1.4948149.

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2

Dong, H. Y., D. X. Wang, W. S. Lun, W. Y. He, W. Ma, and X. B. Zheng. "Double Rare-Earth Oxides Co-Doped Strontium Zirconate as a New Thermal Barrier Coating Material." In ITSC 2012, edited by R. S. Lima, A. Agarwal, M. M. Hyland, Y. C. Lau, C. J. Li, A. McDonald, and F. L. Toma. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.itsc2012p0058.

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Анотація:
Abstract Advanced ceramic materials with perovskite structure have been developed for potential applications in thermal barrier coating (TBC) systems in an effort to overcome the properties of the pre-existing ones like 8wt% yttria stabilized zirconia (8YSZ). Y2O3 and Yb2O3 co-doped strontium zirconate with chemistry of Sr(Zr0.9Y0.05Yb0.05)O2.95 (SZYY) was synthesized using ball milling prior to solid-state sintering, and had a minor second phase of Yb2O3. The SZYY showed good phase stability not only from room temperature to 1400°C, but also at high temperature of 1450°C for a long period, analyzed by thermogravimetry-differential scanning calorimetry (TG-DSC) and X-ray diffraction (XRD), respectively. The thermal expansion coefficients (TECs) of the sintered bulk SZYY were recorded by a high-temperature dilatometer and revealed a positive influence on phase transitions of SrZrO3 by codoping Y2O3 and Yb2O3. The thermal conductivities of SZYY were at least ~30% lower in contrast to that of SrZrO3 and 8YSZ in the whole tested temperature range. The good chemical compatibility was observed for SZYY with 8YSZ or Al2O3 powders after 24 h heat treatment at 1250°C. The phase stability and the microstructure evolution of the as-sprayed SZYY coating during annealing at 1400°C were also investigated in this work.
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3

Rini, E. G., Ananta Paul, Mohammad Nasir, Bungkiu Kissinquinker, Prashant Kumar Mishra, and Somaditya Sen. "Investigation of structural and dielectric characteristics of Dy2NiMnO6 double perovskite ceramics." In 3RD INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC-2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0002281.

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4

Paul, Ananta, Mohammad Nasir, Prashant Kumar Mishra, E. G. Rini, and Somaditya Sen. "Investigation of structural and dielectric characteristics of La2Ni0.5Al0.5MnO6 double perovskite ceramics." In 3RD INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC-2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0003085.

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5

Choudhary, B. K., A. K. Himanshu, Uday Kumar, S. K. Bandyopadhayay, Pintu Sen, S. N. Singh, and T. P. Sinha. "Magnetic and ferroelectric studies of double perovskite (KBi)(FeNb)O[sub 6] ceramics." In SOLID STATE PHYSICS: PROCEEDINGS OF THE 57TH DAE SOLID STATE PHYSICS SYMPOSIUM 2012. AIP, 2013. http://dx.doi.org/10.1063/1.4791514.

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